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67 lines (47 loc) · 2.05 KB
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once
#include <inttypes.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <memory>
#include <string>
#include <vector>
#include "arrow/status.h"
#include "plasma/compat.h"
namespace plasma {
namespace flatbuf {
// Forward declaration outside the namespace, which is defined in plasma_generated.h.
enum class MessageType : int64_t;
} // namespace flatbuf
// TODO(pcm): Replace our own custom message header (message type,
// message length, plasma protocol version) with one that is serialized
// using flatbuffers.
constexpr int64_t kPlasmaProtocolVersion = 0x0000000000000000;
using arrow::Status;
Status WriteBytes(int fd, uint8_t* cursor, size_t length);
Status WriteMessage(int fd, flatbuf::MessageType type, int64_t length, uint8_t* bytes);
Status ReadBytes(int fd, uint8_t* cursor, size_t length);
Status ReadMessage(int fd, flatbuf::MessageType* type, std::vector<uint8_t>* buffer);
int BindIpcSock(const std::string& pathname, bool shall_listen);
int ConnectIpcSock(const std::string& pathname);
Status ConnectIpcSocketRetry(const std::string& pathname, int num_retries,
int64_t timeout, int* fd);
int AcceptClient(int socket_fd);
std::unique_ptr<uint8_t[]> ReadMessageAsync(int sock);
} // namespace plasma